factordbrpc · fdb
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Enter a value, an expression, or a term with a variable like 10^n+1 to list a range. Switch to Database id to look a number up by its stored id. Reading never stores anything; use Create to add a number to the database. See the expression syntax & functions reference.

P · Proven prime
id #1100000008675223789 2,587 digits created 2026-03-09

Value

4842841878169059490537336463824560553552317577838677684108187365392735792136848804783284831074588672732669897534076437278586372294899680018982003189788448945419790317904752901592568463352381338849458078898287965823549623050479217273344069145890581821918422585288397694983266819160499802371832809428971057796539505301916561566178883874842673324715455843758703277734048625136961910362528354922624273741887655705517164956901115736078229319541822174602575222442668963684611968191245293539590465063764909879243166868402835009413438668856638928026188343238933009971882290934856157624823970698238908955990131095007587745091388272724934919480215423247993523537795574000857122903559450100235807133029790699708560969178671171117517079519098541329652728656419846594731668774666525483382165236282045437837273115502521528689896233943789330238537642467211262323130509391805306009643356041375765460370271254612360649573359287750142327776698080007542982788932179633806407164975981812499755947232918306925740206679080756297212253519878060296847362504698209686204881199511074717635633963936604379669226094981568092329063942300205756151820052620957291383029500899079808783638511696468233346596414531176720006145602854597102919550816469956662610576107402314140210729804254498525705131789967614128014353154115986515997536756212053482586784376523073856302243315465371793543666295003167496648491220229619122294762713858146064249411822551070924368667562028828889963891498164160499287750287487118779812312235274888943024796544439816338569381284029540617329958771915203204411244372600979475128541058337350786698329744534256769492710489863428115366697314599888983942565362868521098245828027280105247857593194330314253573318448464560471419597850255147346168270790844020892584639958476356259527956071482971815421659360071225881837982659579673685944799532030919250073797052607807571187660191045475606123134381038064911182951311815043370200787992129154962775928168939834922888936726816346359280093763963672129680789585130854645686527277016828334602864783447552652942806816526784854080561836465748516920377827428165592347023454561093400614712156440055434096930738059142789166401416503786463829188847496522196450002047796411878681981541197211558840822969756807223403320548085458143332276603067763190429737609412688468498231658536922413470055146024413037962243946243420316667874710631730802662435911127584405467789658239087538409226897536115467820045485589300730654997943254024202817970333421323027344167802771500371857387338273914476750345253043679961242763398179212028314927687821421314083223366434333967073082220032581
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 19 of the certificate chain of a 2,805-digit prime (214 intermediate primes).

Certified number2,805-digit prime
Certificatedownload
Certificate chainshow step 19 of 214

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008675223789 --detail 2 --decimal
curl
curl -s 'https://factordb.com:4059/rpc' -H 'Content-Type: application/json' -d '{"jsonrpc":"2.0","id":1,"method":"get_number","params":{"target":{"id":1100000008675223789},"decimal":true,"detail":2}}'